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Mathematics 22 Online
OpenStudy (anonymous):

Simplify. –6 ÷ (–2) – 6 + 4

iYuko (iyuko):

Have you heard of PEMDAS?

OpenStudy (anonymous):

yes but never with negatives

iYuko (iyuko):

Okay so no parenthesis and no exponents

iYuko (iyuko):

And no multiplication

iYuko (iyuko):

But we do have division

iYuko (iyuko):

What is -6/-2

OpenStudy (anonymous):

-3

iYuko (iyuko):

Nope the rule for division with negative numbers make it a +3

OpenStudy (anonymous):

oh ok

iYuko (iyuko):

3-6+4

iYuko (iyuko):

Now we work from left to right. What is 3-6?

OpenStudy (anonymous):

3

OpenStudy (anonymous):

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iYuko (iyuko):

-3

iYuko (iyuko):

It's -3

iYuko (iyuko):

Sooo now we have -3+4

OpenStudy (anonymous):

1

iYuko (iyuko):

Yay! there you go

OpenStudy (anonymous):

thxs

iYuko (iyuko):

Welcome Medal and fan please.

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